Home / 18,520,979.53-27,775,583.98-17,311,972.66

Finding the Fourth Proportional to 18,520,979.53, 27,775,583.98 and 17,311,972.66

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Solution

The fourth proportional to 18,520,979.53, 27,775,583.98 and 17,311,972.66 is: 25,962,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,979.53 : 27,775,583.98 = 17,311,972.66 : x
  2. Step 2: Convert to fraction form
    18,520,979.53/27,775,583.98 = 17,311,972.66/x
  3. Step 3: Cross multiply
    18,520,979.53x = 27,775,583.98 × 17,311,972.66
  4. Step 4: Simplify right side
    18,520,979.53x = 480,850,150,477,294
  5. Step 5: Solve for x
    x = 480,850,150,477,294/18,520,979.53
  6. Step 6: Final answer
    x = 25,962,457.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.